linux-kernel - [x86 setup 30/33] Linker script for the new x86 setup code

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Message-Id: <fd5cf379a91de82890893de655876e39e78c1dc9.1184032749.git.hpa@zytor.com>
Date:	Mon,  9 Jul 2007 19:52:09 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	andi@...stfloor.org, akpm@...ux-foundation.org
Cc:	"H. Peter Anvin" <hpa@...or.com>
Subject: [x86 setup 30/33] Linker script for the new x86 setup code

From: H. Peter Anvin <hpa@...or.com>

Linker script to define the layout of the new x86 setup code.
Includes assert for size overflow and a misaligned setup header.

Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
 arch/i386/boot/setup.ld |   54 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 54 insertions(+), 0 deletions(-)
 create mode 100644 arch/i386/boot/setup.ld

diff --git a/arch/i386/boot/setup.ld b/arch/i386/boot/setup.ld
new file mode 100644
index 0000000..df9234b
--- /dev/null
+++ b/arch/i386/boot/setup.ld
@@ -0,0 +1,54 @@
+/*
+ * setup.ld
+ *
+ * Linker script for the i386 setup code
+ */
+OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
+OUTPUT_ARCH(i386)
+ENTRY(_start)
+
+SECTIONS
+{
+	. = 0;
+	.bstext		: { *(.bstext) }
+	.bsdata		: { *(.bsdata) }
+
+	. = 497;
+	.header		: { *(.header) }
+	.inittext	: { *(.inittext) }
+	.initdata	: { *(.initdata) }
+	.text		: { *(.text*) }
+
+	. = ALIGN(16);
+	.rodata		: { *(.rodata*) }
+
+	.videocards	: {
+		video_cards = .;
+		*(.videocards)
+		video_cards_end = .;
+	}
+
+	. = ALIGN(16);
+	.data		: { *(.data*) }
+
+	.signature	: {
+		setup_sig = .;
+		LONG(0x5a5aaa55)
+	}
+
+
+	. = ALIGN(16);
+	.bss		:
+	{
+		__bss_start = .;
+		*(.bss)
+		__bss_end = .;
+	}
+	. = ALIGN(16);
+	_end = .;
+
+	/DISCARD/ : { *(.note*) }
+
+	. = ASSERT(_end <= 0x8000, "Setup too big!");
+	. = ASSERT(hdr == 0x1f1, "The setup header has the wrong offset!");
+}
-- 
1.5.2.2

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